./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:56:11,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:56:11,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:56:11,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:56:11,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:56:11,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:56:11,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:56:11,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:56:11,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:56:11,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:56:11,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:56:11,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:56:11,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:56:11,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:56:11,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:56:11,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:56:12,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:56:12,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:56:12,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:56:12,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:56:12,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:56:12,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:56:12,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:56:12,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:56:12,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:56:12,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:56:12,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:56:12,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:56:12,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:56:12,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:56:12,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:56:12,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:56:12,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:56:12,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:56:12,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:56:12,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:56:12,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:56:12,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:56:12,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:56:12,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:56:12,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:56:12,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:56:12,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:56:12,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:56:12,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:56:12,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:56:12,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:56:12,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:56:12,096 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:56:12,096 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:56:12,096 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:56:12,096 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:56:12,097 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:56:12,098 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:56:12,098 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:56:12,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:56:12,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:56:12,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:56:12,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:56:12,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:56:12,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:56:12,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:56:12,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:56:12,100 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:56:12,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:56:12,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:56:12,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:56:12,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:56:12,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:56:12,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:56:12,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:56:12,104 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2022-10-17 10:56:12,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:56:12,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:56:12,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:56:12,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:56:12,434 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:56:12,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2022-10-17 10:56:12,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/data/95f1432e2/9d4623ed5ea74516aa96b0b9f0521844/FLAGcc27764ec [2022-10-17 10:56:12,991 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:56:12,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2022-10-17 10:56:12,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/data/95f1432e2/9d4623ed5ea74516aa96b0b9f0521844/FLAGcc27764ec [2022-10-17 10:56:13,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/data/95f1432e2/9d4623ed5ea74516aa96b0b9f0521844 [2022-10-17 10:56:13,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:56:13,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:56:13,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:13,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:56:13,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:56:13,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e10d7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13, skipping insertion in model container [2022-10-17 10:56:13,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:56:13,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:56:13,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:13,580 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:56:13,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:13,604 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:56:13,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13 WrapperNode [2022-10-17 10:56:13,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:13,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:13,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:56:13,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:56:13,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,644 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-10-17 10:56:13,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:13,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:56:13,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:56:13,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:56:13,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:56:13,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:56:13,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:56:13,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:56:13,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (1/1) ... [2022-10-17 10:56:13,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:13,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:56:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:56:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:56:13,838 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:56:13,841 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:56:13,948 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:56:13,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:56:13,957 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:56:13,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:13 BoogieIcfgContainer [2022-10-17 10:56:13,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:56:13,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:56:13,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:56:13,965 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:56:13,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:13,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:56:13" (1/3) ... [2022-10-17 10:56:13,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@357c2bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:13, skipping insertion in model container [2022-10-17 10:56:13,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:13,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:13" (2/3) ... [2022-10-17 10:56:13,968 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@357c2bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:13, skipping insertion in model container [2022-10-17 10:56:13,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:13,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:13" (3/3) ... [2022-10-17 10:56:13,970 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2022-10-17 10:56:14,039 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:56:14,039 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:56:14,040 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:56:14,040 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:56:14,040 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:56:14,040 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:56:14,040 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:56:14,041 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:56:14,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:56:14,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-10-17 10:56:14,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:14,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:14,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:56:14,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:56:14,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:56:14,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:56:14,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-10-17 10:56:14,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:14,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:14,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:56:14,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:56:14,111 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~max~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~max~0#1;main_~max~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L16true assume main_~max~0#1 > 0;main_~a~0#1 := 0;main_~x~0#1 := 1; 3#L19-2true [2022-10-17 10:56:14,112 INFO L750 eck$LassoCheckResult]: Loop: 3#L19-2true assume !!(main_~x~0#1 < main_~max~0#1); 10#L20true assume 0 != main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1 + main_~a~0#1; 7#L20-2true main_~x~0#1 := 1 + main_~x~0#1; 3#L19-2true [2022-10-17 10:56:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:14,118 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-10-17 10:56:14,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:14,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880887015] [2022-10-17 10:56:14,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:14,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2022-10-17 10:56:14,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:14,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260611570] [2022-10-17 10:56:14,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:14,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:14,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash 889513680, now seen corresponding path program 1 times [2022-10-17 10:56:14,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:14,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540544144] [2022-10-17 10:56:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:14,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:14,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:14,552 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:14,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:14,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:14,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:14,554 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:56:14,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:14,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:14,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:14,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2022-10-17 10:56:14,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:14,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:14,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:14,706 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:56:14,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:14,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:14,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:14,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:14,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:56:14,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:56:14,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:14,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:14,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:56:14,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:56:14,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:14,973 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:56:14,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:14,979 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:14,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:14,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:14,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:14,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:56:14,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:14,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:14,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:14,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2022-10-17 10:56:14,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:14,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:14,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:14,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:15,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:15,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:15,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:15,114 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:56:15,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:15,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:15,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:15,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:15,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:15,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:15,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:15,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:15,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:15,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:15,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:15,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:56:15,155 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:56:15,165 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-10-17 10:56:15,165 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:56:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:15,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:15,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:15,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:56:15,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:56:15,172 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:56:15,173 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:56:15,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~max~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~max~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-10-17 10:56:15,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:15,200 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:56:15,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:15,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:56:15,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:15,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:56:15,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:15,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:56:15,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:56:15,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 7 states. [2022-10-17 10:56:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:56:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:56:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-10-17 10:56:15,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2022-10-17 10:56:15,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:15,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2022-10-17 10:56:15,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:15,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2022-10-17 10:56:15,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:15,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2022-10-17 10:56:15,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:56:15,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-10-17 10:56:15,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:56:15,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:56:15,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:56:15,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:15,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:15,400 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:15,400 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:15,400 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:56:15,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:56:15,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:56:15,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:56:15,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:56:15 BoogieIcfgContainer [2022-10-17 10:56:15,408 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:56:15,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:56:15,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:56:15,409 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:56:15,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:13" (3/4) ... [2022-10-17 10:56:15,412 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:56:15,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:56:15,414 INFO L158 Benchmark]: Toolchain (without parser) took 2033.30ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 81.4MB in the beginning and 95.1MB in the end (delta: -13.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-10-17 10:56:15,414 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:15,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.05ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 85.8MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:56:15,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.26ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:56:15,416 INFO L158 Benchmark]: Boogie Preprocessor took 27.10ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:15,417 INFO L158 Benchmark]: RCFGBuilder took 285.85ms. Allocated memory is still 111.1MB. Free memory was 83.4MB in the beginning and 75.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:56:15,417 INFO L158 Benchmark]: BuchiAutomizer took 1447.33ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.0MB in the beginning and 95.1MB in the end (delta: -20.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-10-17 10:56:15,418 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 136.3MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:15,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.05ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 85.8MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.26ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.10ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.85ms. Allocated memory is still 111.1MB. Free memory was 83.4MB in the beginning and 75.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1447.33ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.0MB in the beginning and 95.1MB in the end (delta: -20.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 136.3MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function max + -1 * x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:56:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:15,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c9e026-d75f-44c4-83cf-e3960fb77cda/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE